Home / 22,080.04-30,468.12-13,582.60

Finding the Fourth Proportional to 22,080.04, 30,468.12 and 13,582.60

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Solution

The fourth proportional to 22,080.04, 30,468.12 and 13,582.60 is: 18,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.04 : 30,468.12 = 13,582.60 : x
  2. Step 2: Convert to fraction form
    22,080.04/30,468.12 = 13,582.60/x
  3. Step 3: Cross multiply
    22,080.04x = 30,468.12 × 13,582.60
  4. Step 4: Simplify right side
    22,080.04x = 413,836,286.71
  5. Step 5: Solve for x
    x = 413,836,286.71/22,080.04
  6. Step 6: Final answer
    x = 18,742.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.